/************************************************************************
Copyright 2003, 2004, 2005, 2006, 2007, 2008 Grid Technology Research Center,
National Institute of Advanced Industrial Science and Technology.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
************************************************************************/

package jp.aist.gtrc.plus.scheduler.specific.pbs.batch.reply;

import jp.aist.gtrc.plus.scheduler.specific.pbs.batch.DISDecodable;
import jp.aist.gtrc.plus.scheduler.specific.pbs.batch.DISDecoder;
import jp.aist.gtrc.plus.scheduler.specific.pbs.batch.DISEncodable;
import jp.aist.gtrc.plus.scheduler.specific.pbs.batch.DISEncoder;
import jp.aist.gtrc.plus.scheduler.specific.pbs.util.PBSErrorCode;
import jp.aist.gtrc.plus.scheduler.specific.pbs.util.PBSException;

import org.apache.log4j.Logger;


public abstract class BatchReply  implements DISDecodable, DISEncodable {

	private BatchReplyHeader header;

	protected static final  Logger logger = Logger.getLogger(BatchReply.class);

	protected BatchReply() {

		/*
		 * Nothing to do.
		 * made for BatcReplyNull#BatchReplyNull(PBSErrorCode)
		 */

	}

	protected BatchReply(BatchReplyHeader header){

		setHeader(header);

	}


	protected final void setHeader(BatchReplyHeader header){

		assert(header != null);
		this.header = header;

	}

	public PBSErrorCode getErrorCode(){

		return header.getErrorCode();

	}

	public boolean isSuccess(){

		return getErrorCode() == PBSErrorCode.SUCCESS;

	}

	public abstract void decode(DISDecoder decoder) throws PBSException;

	public String toString(){

		return header.toString();

	}

	public void encode(DISEncoder encoder) {

		header.encode(encoder);
		encodeBody(encoder);

	}

	protected void encodeBody(DISEncoder encoder) {

		/*
		 * Must override by subclass if it's necessary
		 */
		assert(false);

	}

}
